Question

a student wants to find out which kind of fish food is the most nutritious. four groups of fish get different foods: regular flakes, pellets, freeze - dried shrimp, and bloodworms. their weight is measured daily. what is the dependent variable?
type of fish food
amount of fish food
weight
age of fish

Explanation:

In an experiment, the dependent variable is what is measured. Here, the student measures the weight of the fish daily to see the effect of different fish foods. The type of fish food is the independent variable (what is changed). The amount of fish food and age of fish should be controlled variables (kept the same).

Answer:

Weight